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Bulletin of Botanical Research ›› 2021, Vol. 41 ›› Issue (4): 481-487.doi: 10.7525/j.issn.1673-5102.2021.04.001

• Taxonomy •     Next Articles

Orthotrichum revolutum(Orthotrichaceae, Bryophyta), an Endemic Species to China, Rediscovered after 123 Years

Qing-Hua WANG, Qiang HE, Yu JIA()   

  1. State Key Laboratory of Systematic and Evolutionary Botany,Institute of Botany,Chinese Academy of Sciences,Beijing 100093
  • Received:2020-06-19 Online:2021-07-20 Published:2021-03-24
  • Contact: Yu JIA E-mail:yjia@ibcas.ac.cn
  • About author:WANG Qing-Hua(1982—),female,researcher assistant,focus on taxonomy and phylogeny of bryophytes.
  • Supported by:
    National Natural Science Foundation of China(31400188);Biodiversity Survey and Assessment Project of the Ministry of Ecology and Evironment of China(2019HJ2096001006);Beijing Natural Science Foundation(5192017)


Orthotrichum revolutum, an endemic to China, has not been re-found since its original collection made 123 years ago. It is recorded from a new locality: Baihuashan Nature Reserve, Beijing, China. The plants morphologically agree well with the type specimens. Orthotrichum revolutum is firstly well photoed and its distribution is firstly mapped. Four records of this species from China’s Gansu, Xinjiang and Japan, Kyrgyzstan are all misidentifications in previous studies. We also discuss its main differences from close species and re-evaluate its threat status in the field.

Key words: mosses, taxonomy, Orthotrichum, Baihuashan, threat status

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